package com.sky.handler;

import com.sky.constant.MessageConstant;
import com.sky.exception.BaseException;
import com.sky.result.Result;
import lombok.extern.slf4j.Slf4j;
import org.aspectj.apache.bcel.ExceptionConstants;
import org.aspectj.bridge.Message;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.sql.SQLIntegrityConstraintViolationException;

/**
 * 全局异常处理器，处理项目中抛出的业务异常
 */
@RestControllerAdvice
@Slf4j
public class GlobalExceptionHandler {

    /**
     * 捕获业务异常
     * @param ex
     * @return
     */
    @ExceptionHandler
    public Result exceptionHandler(BaseException ex){
        log.error("异常信息：{}", ex.getMessage());
        return Result.error(ex.getMessage());
    }
    @ExceptionHandler
    public Result exceptionSQL(SQLIntegrityConstraintViolationException ex) {
        String message = ex.getMessage();
        if(message.contains( "Duplicate entry" )) {
            //数组

            String[] meg = message.split( " " );
            String username = meg[2];
            String m = MessageConstant.ALREADY_EXITS +username;
            return Result.error( m );
        }
       else {
           return Result.error( MessageConstant.UNKNOWN_ERROR );
        }
    }

}
